Scan Tool Connecting and Initial Checks
VAG 1551 Scan Tool (ST), Connecting, Selecting Functions And Checking Control Module (Radio) Versions
Prerequisites:
- All fuses OK according to wiring diagram.
- Battery (B+) voltage at least 9 Volts.
NOTE:
- VAG 1552 Scan Tool (ST) may be used instead of the VAG 1551 Scan Tool (ST), however a print-out is not possible.
- The following procedure and display references pertain only to VAG 1551 Scan Tool (ST).
Connecting
With ignition switched off, connect VAG 1551 Scan Tool (ST) with adapter cable VAG 1551/3 to the Data Link Connector (DLC) as follows:
- Remove cover for Data Link Connector (DLC) under left instrument panel.
- Connect Scan Tool using adapter cable VAG 1551/3.
Indicated on display:
On Board Diagnostic (OBD) HELP
1 - Rapid data transfer
2 - Flash code output
* Is displayed alternately
Functions, selecting
NOTE:
- If the display remains blank check Scan Tool (ST) voltage supply according to wiring diagram.
- Additional operating instructions can be called up by pressing the HELP button.
- The -> button is used to advance through the program sequence.
- In operating mode 1 "Rapid data transfer," function 00 "Automatic test sequence" can be carried out. The DTC memory of all control modules with 050 capability are checked automatically.
- Switch on ignition.
- Switch on printer with the Print button (indicator lamp in button lights up).
- Press button 1 for "Rapid data transfer" mode.
Indicated on display:
Rapid data transfer HELP
Input address word XX
- Press buttons -5- and -6- to select "Radio" address word 56.
Indicated on display:
Rapid data transfer Q
56 Radio
- Press -Q- button to confirm input.
Indicated on display:
Rapid data transfer Q
Tester sends address word 56
Radio version, checking
Indicated on display (example only):
387D35180 Radio ->
Coding 04031 WSC 00000
Readout, top line
- 1JO 035 180 = Radio part number
- Radio = System designation
- 0001 = Software version
Readout, bottom line
- Coding 04031 = coding number (dependant on model and optional equipment). Refer to Programming Control Module (ECM) (Function 07). Code Control Module (Radio) (Function 07)
- WSC 00000 = Workshop code
CAUTION!
Part numbers are for reference only. Always check with your Parts Department for the latest parts information.
- Press -> button.
Indicated on radio display during OBD:
________DIAG______________
NOTE:
If this message appears in the display:
Rapid data transfer HELP
Control module does not answer!
- Press the HELP button to print out a list of possible malfunction causes.
- After correcting malfunctions, re-enter address word 56 for Radio and press -Q- button to confirm input.
Indicated on display:
1JO035152 Radio 0001 ->
Coding 04403 WSC 00000
- Press -> button.
Indicated on display (select function):
Rapid data transfer HELP
Select function XX